condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.4261666666666666 0.0 10.2785 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.181524 0.0 0.30194 Root 0.542023 0.0 1.09864